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Our first pull was made with the 3.250-inch blower pulley in place, which nets approximately 5 pounds of boost across the rpm range. We had timing set at just 22 degrees and were staying extremely safe as all we were doing was making certain all systems were go. Max torque was 481 at 3,000 rpm and horsepower was 458 at 5,400 rpm. More importantly, the spark plugs looked clean, the engine ran through the rpm range very smoothly, and our brake specifics (the measure of fuel rate over power) maintained a safe reading.